Finding the Fourth Proportional to 8,541.92, 12,814.25 and 3,611.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,541.92 : 12,814.25 = 3,611.61 : x
2. Step 2: Convert to fraction form
   8,541.92/12,814.25 = 3,611.61/x
3. Step 3: Cross multiply
   8,541.92x = 12,814.25 × 3,611.61
4. Step 4: Simplify right side
   8,541.92x = 46,280,055.38
5. Step 5: Solve for x
   x = 46,280,055.38/8,541.92
6. Step 6: Final answer
   x = 5,417.99